Hama Filter Adapter Ring, Lens Ø: 77,0 mm, Filter Ø: 82,0 mm 00017782 Item Type: Filter Adapter Ring - to mount filters or other attachments to lenses with various mounting sizes - precision metal ring with matt black surface - warning: small filters on large lenses can result vignetting - especially in strong light or wide angles Adapter Thread 82,0 mm Camera/Lens thread 77,0 mm